Print done when done.

1 files changed, 329 insertions, 0 deletions

diff --git a/indra/llvfs/lldir_linux.cpp b/indra/llvfs/lldir_linux.cpp
new file mode 100644
index 0000000000..6e50f9f239
--- /dev/null
+++ b/indra/llvfs/lldir_linux.cpp
@@ -0,0 +1,329 @@
+/** 
+ * @file lldir_linux.cpp
+ * @brief Implementation of directory utilities for linux
+ *
+ * Copyright (c) 2002-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#include "linden_common.h"
+
+#include "lldir_linux.h"
+#include "llerror.h"
+#include "llrand.h"		// for gLindenLabRandomNumber
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <glob.h>
+#include <pwd.h>
+
+
+static std::string getCurrentUserHome(char* fallback)
+{
+	const uid_t uid = getuid();
+	struct passwd *pw;
+	char *result_cstr = fallback;
+	
+	pw = getpwuid(uid);
+	if ((pw != NULL) && (pw->pw_dir != NULL))
+	{
+		result_cstr = (char*) pw->pw_dir;
+	}
+	else
+	{
+		llinfos << "Couldn't detect home directory from passwd - trying $HOME" << llendl;
+		const char *const home_env = getenv("HOME");
+		if (home_env)
+		{
+			result_cstr = (char*) home_env;
+		}
+		else
+		{
+			llwarns << "Couldn't detect home directory!  Falling back to " << fallback << llendl;
+		}
+	}
+	
+	return std::string(result_cstr);
+}
+
+
+LLDir_Linux::LLDir_Linux()
+{
+	mDirDelimiter = "/";
+	mCurrentDirIndex = -1;
+	mCurrentDirCount = -1;
+	mDirp = NULL;
+
+	char tmp_str[LL_MAX_PATH];
+	getcwd(tmp_str, LL_MAX_PATH);
+
+	mExecutableFilename = "";
+	mExecutablePathAndName = "";
+	mExecutableDir = tmp_str;
+	mWorkingDir = tmp_str;
+	mAppRODataDir = tmp_str;
+	mOSUserDir = getCurrentUserHome(tmp_str);
+	mOSUserAppDir = "";
+	mLindenUserDir = tmp_str;
+
+	char path [32];
+
+       // !!! FIXME: /proc/%d/exe doesn't work on FreeBSD.
+	sprintf (path, "/proc/%d/exe", (int) getpid ());
+	int rc = readlink (path, tmp_str, sizeof (tmp_str)-1);
+	if ( (rc != -1) && (rc <= ((int) sizeof (tmp_str)-1)) )
+	{
+		tmp_str[rc] = '\0'; //readlink() doesn't 0-terminate the buffer
+		mExecutablePathAndName = tmp_str;
+		char *path_end;
+		if ((path_end = strrchr(tmp_str,'/')))
+		{
+			*path_end = '\0';
+			mExecutableDir = tmp_str;
+			mWorkingDir = tmp_str;
+			mExecutableFilename = path_end+1;
+		}
+		else
+		{
+			mExecutableFilename = tmp_str;
+		}
+	}
+
+	// !!! FIXME: don't use /tmp, use $HOME/.secondlife/tmp or something.
+	mTempDir = "/tmp";
+}
+
+LLDir_Linux::~LLDir_Linux()
+{
+}
+
+// Implementation
+
+
+void LLDir_Linux::initAppDirs(const std::string &app_name)
+{
+	mAppName = app_name;
+
+	LLString upper_app_name(app_name);
+	LLString::toUpper(upper_app_name);
+
+	char* app_home_env = getenv((upper_app_name + "_USER_DIR").c_str());
+	if (app_home_env)
+	{
+		// user has specified own userappdir i.e. $SECONDLIFE_USER_DIR
+		mOSUserAppDir = app_home_env;
+	}
+	else
+	{
+		// traditionally on unixoids, MyApp gets ~/.myapp dir for data
+		mOSUserAppDir = mOSUserDir;
+		mOSUserAppDir += "/";
+		mOSUserAppDir += ".";
+		LLString lower_app_name(app_name);
+		LLString::toLower(lower_app_name);
+		mOSUserAppDir += lower_app_name;
+	}
+
+	// create any directories we expect to write to.
+
+	int res = LLFile::mkdir(mOSUserAppDir.c_str());
+	if (res == -1)
+	{
+		if (errno != EEXIST)
+		{
+			llwarns << "Couldn't create app user dir " << mOSUserAppDir << llendl;
+			llwarns << "Default to base dir" << mOSUserDir << llendl;
+			mOSUserAppDir = mOSUserDir;
+		}
+	}
+
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_LOGS,"").c_str());
+	if (res == -1)
+	{
+		if (errno != EEXIST)
+		{
+			llwarns << "Couldn't create LL_PATH_LOGS dir " << getExpandedFilename(LL_PATH_LOGS,"") << llendl;
+		}
+	}
+	
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_USER_SETTINGS,"").c_str());
+	if (res == -1)
+	{
+		if (errno != EEXIST)
+		{
+			llwarns << "Couldn't create LL_PATH_USER_SETTINGS dir " << getExpandedFilename(LL_PATH_USER_SETTINGS,"") << llendl;
+		}
+	}
+	
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_CACHE,"").c_str());
+	if (res == -1)
+	{
+		if (errno != EEXIST)
+		{
+			llwarns << "Couldn't create LL_PATH_CACHE dir " << getExpandedFilename(LL_PATH_CACHE,"") << llendl;
+		}
+	}
+	
+	res = LLFile::mkdir(getExpandedFilename(LL_PATH_MOZILLA_PROFILE,"").c_str());
+	if (res == -1)
+	{
+		if (errno != EEXIST)
+		{
+			llwarns << "Couldn't create LL_PATH_MOZILLA_PROFILE dir " << getExpandedFilename(LL_PATH_MOZILLA_PROFILE,"") << llendl;
+		}
+	}
+
+	mCAFile = getExpandedFilename(LL_PATH_APP_SETTINGS, "CA.pem");
+}
+
+U32 LLDir_Linux::countFilesInDir(const std::string &dirname, const std::string &mask)
+{
+	U32 file_count = 0;
+	glob_t g;
+
+	std::string tmp_str;
+	tmp_str = dirname;
+	tmp_str += mask;
+	
+	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
+	{
+		file_count = g.gl_pathc;
+
+		globfree(&g);
+	}
+
+	return (file_count);
+}
+
+// get the next file in the directory
+// automatically wrap if we've hit the end
+BOOL LLDir_Linux::getNextFileInDir(const std::string &dirname, const std::string &mask, std::string &fname, BOOL wrap)
+{
+	glob_t g;
+	BOOL result = FALSE;
+	fname = "";
+	
+	if(!(dirname == mCurrentDir))
+	{
+		// different dir specified, close old search
+		mCurrentDirIndex = -1;
+		mCurrentDirCount = -1;
+		mCurrentDir = dirname;
+	}
+	
+	std::string tmp_str;
+	tmp_str = dirname;
+	tmp_str += mask;
+
+	if(glob(tmp_str.c_str(), GLOB_NOSORT, NULL, &g) == 0)
+	{
+		if(g.gl_pathc > 0)
+		{
+			if((int)g.gl_pathc != mCurrentDirCount)
+			{
+				// Number of matches has changed since the last search, meaning a file has been added or deleted.
+				// Reset the index.
+				mCurrentDirIndex = -1;
+				mCurrentDirCount = g.gl_pathc;
+			}
+	
+			mCurrentDirIndex++;
+	
+			if((mCurrentDirIndex >= (int)g.gl_pathc) && wrap)
+			{
+				mCurrentDirIndex = 0;
+			}
+			
+			if(mCurrentDirIndex < (int)g.gl_pathc)
+			{
+//				llinfos << "getNextFileInDir: returning number " << mCurrentDirIndex << ", path is " << g.gl_pathv[mCurrentDirIndex] << llendl;
+
+				// The API wants just the filename, not the full path.
+				//fname = g.gl_pathv[mCurrentDirIndex];
+
+				char *s = strrchr(g.gl_pathv[mCurrentDirIndex], '/');
+				
+				if(s == NULL)
+					s = g.gl_pathv[mCurrentDirIndex];
+				else if(s[0] == '/')
+					s++;
+					
+				fname = s;
+				
+				result = TRUE;
+			}
+		}
+		
+		globfree(&g);
+	}
+	
+	return(result);
+}
+
+
+// get a random file in the directory
+// automatically wrap if we've hit the end
+void LLDir_Linux::getRandomFileInDir(const std::string &dirname, const std::string &mask, std::string &fname)
+{
+	U32 num_files;
+	U32 which_file;
+	DIR *dirp;
+	dirent *entryp = NULL;
+
+	fname = "";
+
+	num_files = countFilesInDir(dirname,mask);
+	if (!num_files)
+	{
+		return;
+	}
+
+	which_file = gLindenLabRandomNumber.llrand() % num_files; 
+
+//	llinfos << "Random select file #" << which_file << llendl;
+
+    // which_file now indicates the (zero-based) index to which file to play
+	
+	if (!((dirp = opendir(dirname.c_str()))))
+	{
+		while (which_file--)
+		{
+			if (!((entryp = readdir(dirp))))
+			{
+				return;
+			}
+		}		   
+
+		if ((!which_file) && entryp)
+		{
+			fname = entryp->d_name;
+		}
+		
+		closedir(dirp);
+	}
+}
+
+std::string LLDir_Linux::getCurPath()
+{
+	char tmp_str[LL_MAX_PATH];
+	getcwd(tmp_str, LL_MAX_PATH);
+	return tmp_str;
+}
+
+
+BOOL LLDir_Linux::fileExists(const std::string &filename)
+{
+	struct stat stat_data;
+	// Check the age of the file
+	// Now, we see if the files we've gathered are recent...
+	int res = stat(filename.c_str(), &stat_data);
+	if (!res)
+	{
+		return TRUE;
+	}
+	else
+	{
+		return FALSE;
+	}
+}
+